//底部留空
pre = document.querySelector("nav.mui-bar.mui-bar-tab").previousElementSibling;
pre.style = "margin-bottom: 60px;";
//底部菜单点击跳转
mui(".mui-bar").on("tap", "a.mui-tab-item", function(e) {
	window.location.href = e.target.parentElement.href;
})
